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Finding the Third Proportional to 395,895,318 and 869,831,544

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Solution

The third proportional to 395,895,318 and 869,831,544 is: 1,911,128,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,895,318 : 869,831,544 = 869,831,544 : x
  2. Step 2: Convert to fraction form
    395,895,318/869,831,544 = 869,831,544/x
  3. Step 3: Cross multiply
    395,895,318x = 869,831,544 × 869,831,544
  4. Step 4: Simplify right side
    395,895,318x = 756,606,914,937,423,872
  5. Step 5: Solve for x
    x = 756,606,914,937,423,872/395,895,318
  6. Step 6: Final answer
    x = 1,911,128,726.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.